Singapore is made up of 63 islands along with the main island, Pulau Ujong. It boasts of a UNESCO World Heritage site, the 150 year old tropical Singapore Botanic Gardens. Another tourist attraction is Gardens by the Bay. Though Singapore is a year round tourist destination, the best months are February to April. Temperatures range between 25°C to 35°C. The climate is a tropical rainforest climate with high humidity. It receives abundant rainfall throughout the year, but the wetter monsoon season is between November to January. The fast and efficient public transport system makes it easy for tourists to move around. The bus system in Singapore has an extensive network and is comfortably air-conditioned. The Orchard Road district is the hub for shopping with multi-storey shopping centres. The Singapore Zoo, River Safari and Night Safari are other popular tourist attractions. The city has two integrated resorts, Marina Bay Sands and Resorts World Sentosa. Apart from all this, Singapore also has one of the world’s lowest crime rates. The currency is the Singapore dollar (SGD or S$) which equals INR 50-53 (fluctuates).